Tom qab cov asphalt yog tov nyob rau hauv asphalt tov, nws yuav raug tso tawm los ntawm kev rho tawm tshwj xeeb, uas tseem yog qhov txuas hauv Asphalt sib tov ua haujlwm. Txawm yog li ntawd, muaj cov caveats.

Rau qhov kev rho tawm cov txheej txheem ntawm cov asphalt mixers, ua ntej ntawm txhua yam, nws yog ib qho tsim nyog los xyuas kom meej tias nws cov kev teeb tsa tau ruaj khov; Thib ob, tom qab txhua qhov sib xyaw ua tiav, cov nyiaj seem ntawm cov khoom siv rho tawm yuav tsum tau tswj hwm ntawm 5% ntawm kev rho tawm lub peev xwm, uas tseem ua kom muaj kev sib xyaw ua ke. Nyob rau tib lub sijhawm, tu sab hauv cov tov khoom yuav pab txuas ntxiv lub neej pabcuam ntawm cov khoom siv.
Tom qab cov asphalt yog rho tawm ntawm cov tov khoom, lub qhov rooj yuav tsum tau kaw yog tias muaj ib qho seem slidry thaiv lossis slurry takeage thiab lwm yam tsis txaus ntseeg. Yog tias muaj, nws yuav tsum tau them sai sai rau thiab kuaj xyuas thiab kho kom tiav.